Robot Walking Helps Breathing in Kids with CP

Twenty-two children with cerebral palsy took part in a study. They could not walk on their own. Their ages ranged from about two years and ten months to twelve years and six months. The average age was five years and ten months. All were rated at levels three to five on the gross motor scale.

Each child tried two different programs. First, six weeks of robot‑assisted gait training, where a machine helped move the legs. Then, after a four‑week break, six weeks of regular respiratory training, which focused on breathing exercises. The order was switched for half of the group.

Compared with the breathing-only program, the robot training gave bigger gains in tidal volume, the amount of air moved per breath. It also improved the timing of the peak breath out and increased minute ventilation. These improvements were strongest during the training weeks but mostly disappeared by the four‑week follow‑up. At the same time, kids spent less time sitting and did more light activity. Caregivers reported better movement and higher scores on the gross motor measure. No serious side effects were seen. The researchers suggest that robot‑assisted walking could be a short‑term add‑on to help breathing in children who cannot walk. More work is needed to see if the benefits can last longer.

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